Added: --browsers CLI option

Close #66

Author: MoOx

CHANGELOG.md

@@ -1,6 +1,7 @@
 # Unreleased
 
 - Added: `--config` CLI option
+- Added: `--browsers`CLI option
 
 # 1.0.1 - 2015-02-18
 

bin/cssnext.js

@@ -18,6 +18,7 @@ program
   .version(pkg.version)
   .usage("[options] [<input> [<output>]]")
   .option("-C, --config <file>", "use the config file")
+  .option("-b, --browsers <items>", "browsers list (comma separated)")
   .option("-I, --no-import", "do not inline @import")
   .option("-U, --no-url", "do not adjust url()")
   .option("-c, --compress", "compress output")
@@ -61,15 +62,11 @@ if (!config.features) {
 }
 // command line flags override config file
 Object.keys(cssnext.features).forEach(function(feature) {
-  if (typeof config.features[feature] === "object") {
-    if (program[feature] === false) {
-      config.features[feature] = false
-    }
-  }
-  else {
-    config.features[feature] = program[feature]
+  if (program[feature] === false) {
+    config.features[feature] = false
   }
 })
+if ("browsers" in program) { config.browsers = program.browsers }
 if ("import" in program) { config.import = program.import }
 if ("url" in program) { config.url = program.url }
 if ("sourcemap" in program) { config.sourcemap = program.sourcemap }

test/cli.js

@@ -60,6 +60,15 @@ test("cli", function(t) {
   })
   planned+=1
 
+  var noCustomPropInput = ":root{--foo:bar}baz{qux:var(--foo)}"
+  var childProcessBrowsers = exec(cssnextBin + " --browsers \"Firefox >= 31\"", function(err, stdout) {
+    if (err) { throw err }
+    t.equal(stdout, noCustomPropInput, "should have a --browsers option")
+  })
+  childProcessBrowsers.stdin.write(new Buffer(noCustomPropInput))
+  childProcessBrowsers.stdin.end()
+  planned+=1
+
   exec(cssnextBin + " --verbose test/fixtures/cli.css test/fixtures/cli.output--verbose.css", function(err, stdout) {
     if (err) { throw err }
     t.ok(utils.contains(stdout, "Output written"), "should log on --verbose")